Abu Musa Jaber Ibn Hayyayn. (721-803AD)
Abu Musa Jaber Ibn Hayyayn generally known as “The Father Of The Chemestry” and also known as Al Chemist “Geber” of the middle ages of an ”attar” (druggist). The date of the birth is not known but it is established that he practised medicine and alchemy in kufa (now known as Iraq) around 776A.D. In his Early age he practised medicine and was under the patronage of Barkemy Vazeer during the Abbasith caliphate of Haroon al Rashid. He suffered after the downfall of the Barkami and was placed under house arrest in Kufa, where he died on 803 A.D.
Jabir Ibn Hayyan was sometimes even known by the name as Harrani and al-sufi. Englishman Richard Russel published his work and described him as “Geber, the most famous Arabian Prince and Philosopher”. His Major contribution was in the field of chemistry. He is famous for writing more than one hundred monumental treatises, of which twenty two deals with chemistry and alchemy. His contribution is of fundamental importance to chemistry which includes perfection of scientific techniques such as crystallization, distillation, calcinations, sublimation and evaporation. Jabir was pioneer in the development of steel, preparation of various metals, preparation of various metals, prevention of rusting, lettering in gold, use of manganese dioxide in glass –making, dyeing of cloth and tanning of leather, varnishing of waterproof cloth, identification of paints and greases. In the classification of substances as metals, non metals and volatile substances, he discuss three distinct types of substances based on their properties:-
1.Spirits: i.e. those which vapourised on heating, like camphor, arsenic and ammonium chloride.
2.Metals:- eg. Gold ,Silver, Lead, Copper and Iron.
3.The Compounds That Can Be Converted Into Powders.
He wrote many books on chemistry among which “Kitab al Kemia” and “Kitab al Sabeen” where translated into latin in middle ages like-
1.By Robert